Move login error to common error style

Created a generic error class, have the login error inherit it.

Tested: Verified the login error looks the same.
Change-Id: Ief373fa37ea655cfcb544861a4e540abbe65f77e
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/login/controllers/login-controller.html b/app/login/controllers/login-controller.html
index ec88c0b..dbbe695 100644
--- a/app/login/controllers/login-controller.html
+++ b/app/login/controllers/login-controller.html
@@ -23,7 +23,7 @@
 
                 <input id="login__submit" class="btn-primary submit" type="button" value="Log in" role="button" ng-click="login(host, username, password)" ng-class="{error: error}" ng-disabled="dataService.loading">
 
-                <p class="login__error-msg" role="alert" ng-if="error">{{description}}</p>
+                <p class="login__error-msg error-msg" role="alert" ng-if="error">{{description}}</p>
             </form>
         </div>
     </div>
diff --git a/app/login/styles/index.scss b/app/login/styles/index.scss
index b4319e9..1499c93 100644
--- a/app/login/styles/index.scss
+++ b/app/login/styles/index.scss
@@ -106,16 +106,7 @@
 }
 
 .login__error-msg {
-  background: lighten($error-color, 20%);
-  padding: 1em;
-  text-align: center;
-  font-size: 1em;
-  border: 1px solid $error-color;
-  color: $black;
-  font-family: "Courier New", Helvetica, Arial, sans-serif;
-  font-weight: 700;
-
   @include mediaQuery(medium) {
     max-width: 100%;
   }
-}
\ No newline at end of file
+}